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nadezda [96]
3 years ago
7

Find the rate of change for the situation. You run 7 miles in one hour and 21 miles in three hours. 7 miles per hour 3 hours 7 m

iles 3 miles per hour
Mathematics
1 answer:
Flauer [41]3 years ago
3 0

Answer:

2.5

Step-by-step explanation:

Plz brainliest

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C(3 − a) − c 2 ; a = 4 and c = −1
Tanya [424]

Answer:

The answer is -1.

Step-by-step explanation:

Brainliest plz!!!!

6 0
3 years ago
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Un alumno multiplica un número por 32 en lugar de multiplicarlo por 23, obteniendo un producto mayor en 54 al producto original.
romanna [79]

Answer:

La suma de cifras del producto original es igual a 12.

Step-by-step explanation:

De acuerdo a la información proporcionada, si multiplicas un número "x" por 32 su resultado sería igual al producto original "y" más 54 dado que dice que se obtiene un producto mayor en 54 al producto original, lo que se puede expresar de la siguiente forma:

32x=y+54

Además, se puede inferir a partir del enunciado que si el número x se hubiera multiplicado por 23 el resultado habría sido el producto original que lo denominamos como "y", por lo que puedes decir que:

y=23x

Ahora puedes reemplazar y=23x en 32x=y+54 y despejar x:

32x=23x+54

32x-23x=54

9x=54

x=54/9

x=6

Finalmente, puedes reemplazar el valor de x en y=23x:

y=23x

y=23*6

y=138

Suma de cifras: 1+3+8 = 12

De acuerdo a esto, la respuesta es que la suma de cifras es igual a 12.

5 0
3 years ago
Find 79% of 122. Use a decimal to solve and do not round your answer.
Nesterboy [21]

Answer:

96.38

Step-by-step explanation:

how to find 79% of 122

122/100=1.22

79*1.22=96.38

4 0
3 years ago
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Lia has $24. Lia and her brother together have a total of $45. The solution of the equation 24 + x = 45 is the amount of money,
Julli [10]

Answer:

21$

Step-by-step explanation:

24+x=45

-24      -24

x=21$

6 0
3 years ago
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Using the exchange rate £1 = $1.34, calculate how many £ are in $7.25. Give your answer rounded to 2 dp.
ipn [44]

Answer:

£5.41

Step-by-step explanation:

7.25/1.34 = 5.41044...

Round = 5.41

6 0
3 years ago
Read 2 more answers
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